Ureteral Anastomosis Technique
Ureteral Anastomosis Technique - Related Videos
14:05
A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction
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Cited by 47 •
2014
The murine model of irreversible unilateral ureteric obstruction (UUO) is presented together with the model of reversible UUO in which the ureteric obstruction is relieved by anastomosis of the severed ureter into the bladder. These models enable the study of renal inflammation and scarring as well as tissue remodeling.
08:15
Cervical Heterotopic Mouse Heart Transplantation using End-to-side Anastomosis Technique to Study Transplant Immunology
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2026
This protocol presents a simplified, end-to-side suture anastomosis technique for murine cervical heart transplantation, providing a robust and reproducible model for studying transplant immunology.
07:51
The C-seal: A Biofragmentable Drain Protecting the Stapled Colorectal Anastomosis from Leakage
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Cited by 8 •
2010
The C-seal is a biofragmentable drain protecting the stapled colorectal anastomosis. In this video, details of the manufacturing, deployment and use are shown.
08:27
Adult Mouse Venous Hypertension Model: Common Carotid Artery to External Jugular Vein Anastomosis.
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Cited by 13 •
2015
We describe a method for creating a reliable model of cerebral venous hypertension in the adult mouse. This model has been widely described and tested in the rat. This new counterpart in the mice opens the possibility of using genetic modified animals and thereby broadens the applications of the model.
07:22
Creation of Colonic Anastomosis in Mice
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Cited by 3 •
2019
Anastomotic leak or breakdown after surgery is a major cause of postoperative morbidity and mortality. Our surgery for creating a colonic anastomosis is a reliable and reproducible method for studying the healing mechanisms of anastomoses.
FAQs
Successful healing depends on more than simply bringing the ureteral ends together. The ends are prepared by trimming damaged tissue and spatulating them, then aligned so the urinary lining meets accurately. Fine sutures create a mucosa-to-mucosa connection, while a tension-free arrangement limits stress on the repair. These features support continuity and reduce complications during healing.
Preserving blood supply is a central technical principle because repaired ureteral tissue must remain viable while the connection heals. Careful alignment and tissue handling help protect the reconstructed segment. In ureteral anastomosis, maintaining vascular support works alongside watertight suturing to reduce the likelihood of leakage, stricture formation, and recurrent obstruction.
A temporary stent can support the reconstruction during early healing and help maintain patency, meaning an open passage through the ureter. It does not replace accurate tissue approximation or a watertight mucosa-to-mucosa suture line. Instead, the stent provides temporary support while the joined segment heals and urinary flow is maintained through the reconstructed pathway.
Watertight closure matters because the reconstructed ureter must carry urine without leakage at the anastomosis. Achieving this requires close mucosal approximation with fine sutures and a tension-free connection, rather than simple contact between the outer tissue surfaces. Combined with preserved blood supply, these conditions support long-term urinary tract function and help prevent recurrent obstruction.
The repair sequence begins by removing damaged tissue, followed by preparation of the ureteral ends through spatulation. The surgeon then aligns the prepared edges and places fine sutures to achieve mucosa-to-mucosa contact. A tension-free, watertight connection is the procedural endpoint, while temporary stenting may provide support and help preserve patency during healing.
Ureteral anastomosis is used when injury or obstruction disrupts normal ureteral continuity, and it may also follow resection of diseased tissue. The reconstruction reestablishes the urinary pathway between the kidney and bladder after the affected segment has been addressed. Its clinical applications therefore include repair after injury, treatment associated with obstruction, and reconstruction following tissue removal.
A successful outcome means that the repaired segment remains open and supports urine flow over time. Important adverse outcomes include urinary leakage, stricture formation, and recurrent obstruction. Proper alignment, preserved blood supply, a watertight mucosal join, and temporary stenting when used are the principal features that support durable healing and long-term urinary tract function.